> Use the concatenate function that comes with scikits.timeseries
>>>> ts.concatenate([series,series1])
> timeseries([0 1 2 3 0 1 2 3], dates = [2005 ... 2012], freq = A-DEC)
>>> ts.concatenate tests whether the series have the same frequency, and
> optional parameters let you decide what to do with duplicates.
Must have overlooked that.
But it isn't in the docs either:
http://pytseries.sourceforge.net/search.html?q=concatenate